TUBE就翻译成管子就好了.所以,问题就简单了.我们来总结概括一下,用来输送流体的是PIPE.用来传导热量的是TUBE. 1寸的PIPE,外径是33.4mm. 2寸的PIPE,外径是60.3mm.

Observação: inscreva-se para participar do programa de pesquisa para criadores do YouTube e ajude a melhorar o YouTube para Criadores. Saiba mais.

Official YouTube Help Center where you can find tips and tutorials on using YouTube and other answers to frequently asked questions.

深入瞭解 YouTube YouTube 說明影片 瀏覽我們的影片庫，查看各項實用訣竅、功能簡介和逐步操作教學課程。

您可以在 YouTube 官方帮助中心找到各种提示和辅导手册，从中了解如何使用本产品以及其他常见问题的答案。

New YouTube updates to help you create, connect with fans, & drive business Hi creators, For 20 years YouTube has been the place where you ve shaped the future of entertainment…

View your dashboard To open your dashboard, either: Go directly to YouTube Studio. From anywhere on YouTube, select your profile picture YouTube Studio. Navigate your dashboard …

You can cancel, pause, or resume your paid membership at any time as a YouTube Premium and YouTube Music Premium subscriber. You can also switch to an

With the YouTube Music app, you can watch music videos, stay connected to artists you love, and discover music and podcasts to enjoy on all your devices. How

Centro de asistencia oficial de YouTube Music donde puedes encontrar sugerencias y tutoriales para aprender a utilizar el producto y respuestas a otras preguntas ...